Oceanic SP5 First Stage – DINThe Alpha 8 Sport is the top performing regulator in its class, and one of the most affordably priced regulators you can buy. Valve Type: UNBALANCED PISTON Primary Material: MARINE BRASS Low Pressure Ports: 4 High Pressure Ports: 1 Integrated Swivel Nitrox Compatibility: STANDARD TO 40% 300 BAR DIN Fitting: OPTIONAL Sealed Valve Design Environmental Protection Weight: 26 OUNCES Factory Set Intermediate Pressure: 140 145 PSI Pressure Drop: 13 PSI